28726236490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{357781}}^1$

素因数の和:357863

約数の個数: 64

約数和(自身を含む): 62649059328

約数和(自身を除く): 33922822838

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 37, 62, 70, 74, 155, 185, 217, 259, 310, 370, 434, 518, 1085, 1147, 1295, 2170, 2294, 2590, 5735, 8029, 11470, 16058, 40145, 80290, 357781, 715562, 1788905, 2504467, 3577810, 5008934, 11091211, 12522335, 13237897, 22182422, 25044670, 26475794, 55456055, 66189485, 77638477, 92665279, 110912110, 132378970, 155276954, 185330558, 388192385, 410374807, 463326395, 776384770, 820749614, 926652790, 2051874035, 2872623649, 4103748070, 5745247298, 14363118245, 28726236490]

約数ペア:

[(1, 28726236490), (2, 14363118245), (5, 5745247298), (7, 4103748070), (10, 2872623649), (14, 2051874035), (31, 926652790), (35, 820749614), (37, 776384770), (62, 463326395), (70, 410374807), (74, 388192385), (155, 185330558), (185, 155276954), (217, 132378970), (259, 110912110), (310, 92665279), (370, 77638477), (434, 66189485), (518, 55456055), (1085, 26475794), (1147, 25044670), (1295, 22182422), (2170, 13237897), (2294, 12522335), (2590, 11091211), (5735, 5008934), (8029, 3577810), (11470, 2504467), (16058, 1788905), (40145, 715562), (80290, 357781)]